.revamp-liao{
    width:100%;
    height: 100vh;
    background: #898989;
    overflow: hidden;
}
.revamp-button1{
    width:90%;
    margin-left: 2.5rem;
    margin-top: 60rem;
    border-radius: 1rem;
    color: #999999;
    height: 4rem;
    font-size: 1.4rem;
}
.revamp-button2{
    width:90%;
    margin-left: 2.5rem;
    border-radius: 1rem;
}
.revamp-button3{
    width:90%;
    margin-left: 2.5rem;
    border-radius: 1rem;
}
.revamp-button4{
    width:90%;
    margin-top: 2rem;
    margin-left: 2.5rem;
    border-radius: 1rem;
}